haggenmaoher



2 Sheets-Sheet 1.

(No Model.)

O. HAGGENMAGHER.

CHOP GBADER. No. 428,908. Patented May 27, 1890.

(No Model.) 2 SheetsSheet 2. 0. HAGGENMACHER.

CHOP GRADER.

180,428,908. Patented May 27, 1890.

UNITED STATES PATENT OFFICE.

CARL HAGGENMAOHER, OF BUDA-PESTH, AUSTRIA-HUN GARY.

CHOP-GRADER.

SPECIFICATION forming part of Letters Patent No. 428,908, dated May 27,1890.

Application filed January 10, 1890. Serial No. 336,536. (No model.)Patented in Brazil September 28, 1888, No. 625; in Portugal September28, 1888,110. 1,288; in India October 22, 1888, No. 91; in SouthAustralia October 24,1888, No. 1,128; in Victoria October 27, 1888, No.6,293; in New South Wales October 27, 1888,1T0. 1,037; in Canada October31, 1888, No 32,868; in Tasmania November 1, 1888, No. 624/10; in NewZealand November 6, 1888, No. 3,357; in Cape of Good Hope November 15,1888, N0. 485 in Queensland November'23, 1888, No. 683 in SwitzerlandDecember 1, 1888, 110.149; in Argentine Republic January 10, 1889, No.772, and in West Australia April 17, 1889, No. 18 1. 1

zil, No. 625, dated September 28, 1888; in

British India, No. 91, dated October 22,1888; in Victoria, No. 6,293,dated October 27, 1888 in Tasmania, No. 624/10, dated November 1, 1888in New South WValesNo. 1,037, dated October 27, 1888; in West Australia,No.184, dated April 17, 1889; in South Australia, No. 1,128, datedOctober 24,1888; in Cape of Good Hope, No. 485, dated November 15, 1888;in Portugal, No. 1,288, dated September 28,1888; in Switzerland, No. 119, dated December 1, 1888 in Queensland, No. 683, dated November 23,1888; in Canada, No. 32,868, dated October 31, 1888; in New Zealand, No.3,357, dated November 6, 1888.

This invent-ion relates to machines for sifting and sorting meal andflour of the class shown and described in my application filed September29, 1888, Serial No. 286,743; and it consists in the novel constructionand combidescribed. The boxR is pivotally suspended from a stationarysupport-such as the rafters Aby the rods G, and has a substantiallyhorizontal circular oscillating or gyrating motion imparted to it bymeans of the revolving crank K or any other equivalent mechanism adaptedto give the box a gyrating movement. The box shown is circular in form,corresponding to the frames which it incloses; but the said box andframes may be made polygonal, oval, or of other curved outline not trulycircular without departing from the present invention, and the gyrationsof the said box need not be confined to exactly horizontal or circularpaths; but a circular box gyrating in a circular path is preferred forcheapness in construction and in a small machine.

The material to be operated 011 passes into the upper part of box R fromthe stationary chute B through the flexible inlet-pipe E, formed oftextile or other suitable material.

S is a stationary receptacle below the box R and connected thereto bythe flexible discharge-pipes a, similar to pipe E.

The framesI II III IV rest superposed upon the bottom Z) of box R, andare inclosed by its circular side wall T and lid (Z,which are securedtogether by any approved means. Each frame is provided with curvedguide-slats oz, in line with the main direction of the travel of thematerial, and with cross-slats y, substantially at right angles to suchdirection of travel.

For the purpose of turning over the material some of the slats y(preferably every a1- ternate slat) have low ridges u, extending fromthe ends of them to the opposite guideslat on or to the frame side.These ridges u are of a height about equal to the mean depth of thematerial operated on, and are not shown in the sectional plan views, toavoid confusion. Other of the slats y (preferably the alternating slatsnot provided with ridges u) are provided with bridges c at their tops,extending from their ends to the opposite slat or or to the frame side.These bridges are for the purpose of evening the material upon the framebottoms. They also strengthen the frames to which they are attached andhelp to support the frames above them. Some of the frames are providedwith bottom surfaces of perforate material 0 and others with imperforatebottom surfaces L. The perforate surfaces 0 may be formed of perforatedmetal, woven wire, or silk fabric, and are for sifting the material. Theimperforate surfaces L may be formed of close-woven linen or any othersubstance through which the material cannot pass, and are for thepurpose of collecting the material. The slats a: and 'y are for thepurpose of causing the material to travel upon the bottom surfaces ofthe frames in prearranged paths. The directing action of the slats uponthe material is illustrated in Fig. 2.

P are particles of material which are caused to move in the paths of thedotted semicircles by the gyrations of the surface upon which they rest,the direction of their travel being determined by the side upon whichthe slats 7 are placed. These particles would move in circular paths;but as soon as they have performed the first halves of their circularjourneys they meet the slats 1 which arrest their motion during the timethey would be passing over the second halves of the circles and onlypermit them to resume their journeys in the forward direction, asindicated by the arrows. By placing the slats in appropriate positionsthe particles can be caused to travel in any desired direction. Thebottom surfaces need not be exactly horizontal, as the particles canmount inclined planes but it is preferred to pivot the box horizontallyto avoid accumulations.

The irregular shape and size of the particles, their friction againsteach other and against the sides and slats, and many other circumstancesall tend to modify the theoretical. semicircular paths in which theparticles should travel; but what is true of a single particle is alsotrue with regard to an immense number of particles when the surfacesover which they are caused to travel are sufficiently numerous, and theslats are arranged in a suiiiciently complex manner to meet allrequirements. Every particle is in turn brought in contact with someportion of the sifting-surface, and the collecting-surfaces are for thepurpose of conducting the sifted material to certain desired parts ofthe remaining sifting-surfaces beneath them. The slats keep the streamsof material traveling in definite paths, and the arrangement of slats mand 3 may be varied and modified to an almost unlimited extent to adaptthe machine to differentsorts of material.

The sifting-surfaces may be combined with the collectingsurfaces in manydifferent ways. For instance, two or more sorts of ma terial mightbeoperated upon simultaneously in a single box by using separatesuperposed segmental frames or by dividing the circular frames bysuitable partitions. The siftingframes may be provided with plainsiftingsurfaces having meshes of equal size allover them, or thesifting-frames may have differentsized meshes at different parts of thesame frame, adapting it to sort the material as well as to sift it.

In a machine constructed as shown in the drawings four frames I II IIIIV are used. Of these frame I is the uppermost, and the position of theinlet-pipe E is indicated by a dotted circle in Fig.2. This frame isprovided with the plain perforate sifting-surface 0, over which thematerial is caused to travel in the direction of the arrows by the slats:1: and y. The material which is too coarse to pass through the sievefalls through the openin g E and through a similar opening E in thebottom of frame II onto the corresponding portion of the perforatesurface 0 of frame III, the position of the opening above beingindicated by its reference letter E. The coarse material passes over theperforate surface 0 of frame III, as indicated by the arrows, and thevery coarse particles are caused to travel onto the part 0', in whichthe meshes are very wide apart. The lumps which will not pass through 0are discharged down the opening a. through a similar opening a in frameIV and in the bottom of the frame-box. The very coarse material whichpasses through 0 is collected by the imperforatc surface L of frame IV,under 0', and discharged through the opening f in said surface and inthe box-bottom down one of the discharge-pipes a. The material whichpasses through the bottom 0 of frame I falls upon the imperforate bottomsurface I, of frame II and is conducted, as shown by the arrows, to theopenings 0. The material falls through these openings and throughcorresponding openings 0 in frame III onto the imperforate surface L offrame IV under said openings, upon which it is conveyed to thedischargeopening g.

As discharge-opening g is too near to opening a for one of the pipes ato be con nected to each conveniently, a small supplemental chamber IIis provided under the opening 9 and secured to the bottom of the box.This chamber is furnished with slats 2 for directing the material to anoutlet-opening in its bottom, where a pipe a may be convenient-1yattached.

Frame III has its bottom surface formed of perforate material 0 ofdifferent-sized mesh, and some of the slats are arranged radially, sothat its surface is divided into segments, each segment being adapted toseparate a different grade of material.

The grades of material which fall tl'irough the bottom of frame III arekept separate upon theimperforate surface L of frame IV, which isdivided up into corresponding similar segments. The material in thesegments of frame IV is conveyed to the separate discharge-openings 7Land falls through similar openings in the bottom of the box down theremaining discharge-pipes a.

The openingsfy 72. and the openings 0 of frame II may be covered withnet-work, as

shown, to keep back anything which may not be wanted to pass throughthemfor instance, mesh-cleanin g material, such as balls of wood;

but the presence of this network is not essential to the action of the.machine.

Ido not claim in this application anything which I separately claim inthe aforesaid application, Serial No. 286,743, filed September 29, 1888.

Vhat I claim is 1. In a chop-grader, a frame having a substantiallyhorizontal gyrating motion and line with the desired main direction oftravel of the material, and with cross-slats y, extending part waybetween said guide-slats for causing said material totravel,substantially as set forth.

3. In a chop-grader, the combination, with the horizontally-gyratingframe-box provided with an inlet at its top and outlets at its bottom,of the bottom frame having an imperforate bottom surface divided intoseparate non-communicating segments having radial sides and providedwith separate outlets, each communicating with one of the said outletsof the box, and a frame superposed upon said bottom frame and providedwith a perforate bottom surface divided into separate communicatingsegments corresponding with the said segments of the bottom frame andadapted to separate the material into different grades, both of the saidframes being substan tially circular in form and provided withguide-slats 0c and cross-slats 'y, for directing the material over theirsurfaces, substantially as and for the purpose set forth.

4. In a chop-grader, the combination, with the horizontally-gyratingframe-box having two separate outlet-openings in convenient proximity toeach other, of a discharge-pipe connected directly to oneoutlet-opening, a small supplemental chamber secured to the bottom ofthe box below the other outlet-opening and provided with cross-slats y,for directing. thematerial, an outlet-opening, and a seconddischarge-pipe connected to the said outlet-opening of the supplementalchamber at a convenient distance from the first said discharge-pipe,substantially as and for the purpose setforth.

5. In a chop-grader, the combination, with the horizontally-gyratingframe-box, of the series of substantially circular frames I II III IV,superposed one above the other in said box and provided with guide-slatsas and cross-slats y, for directing the material, frames I and III beingfurther provided with perforate sifting-surfaces and separatedischargeopenings for unbolted material, frame II with an imperforatecollecting-surface and openings c, discharging onto the bottom of frameIV, and frame IV with an imperforate collecting-surface divided intosegments having radial sides and provided with separatedischarge-openings and adapted to collect and discharge the differentgrades of material which fall into its said segments, substantiallyasand for the purpose set forth.

In testimony whereof I affix my signature in presence of two witnesses.

CARL IIAGGENMAOHER.

\Vitnesses:

H. GAEHLER, TILLIAM MAnIAssY.

